Whitelists Based Multiple Filtering Techniques in SCADA Sensor Networks

Table 2

Application protocol attacks.

Attack type	Attacks
Application scan	Modbus version scanner; PLC Modbus mode identification; PLC IO scan status; Report slave ID; Function code scan
Improper command execution	Force listen only mode; Read/write request to a PLC; Slave device busy exception code delay; Acknowledge exception code delay; Broadcast request from a client